#' @name frs_by_sic
#' @title frs_by_sic (DATA) data.table of SIC code(s) for each EPA-regulated site in Facility Registry Service
#' @description 
#'   This is the format with one row per site-SIC pair, 
#'   so multiple rows for one site if it is in multiple SIC.
#' @details
#'   This file is not stored in the package, but is obtained via [dataload_from_pins()].
#' 
NULL
